25879900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 60464880

約数和(自身を除く): 34584980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 53, 76, 95, 100, 106, 190, 212, 257, 265, 380, 475, 514, 530, 950, 1007, 1028, 1060, 1285, 1325, 1900, 2014, 2570, 2650, 4028, 4883, 5035, 5140, 5300, 6425, 9766, 10070, 12850, 13621, 19532, 20140, 24415, 25175, 25700, 27242, 48830, 50350, 54484, 68105, 97660, 100700, 122075, 136210, 244150, 258799, 272420, 340525, 488300, 517598, 681050, 1035196, 1293995, 1362100, 2587990, 5175980, 6469975, 12939950, 25879900]

約数ペア:

[(1, 25879900), (2, 12939950), (4, 6469975), (5, 5175980), (10, 2587990), (19, 1362100), (20, 1293995), (25, 1035196), (38, 681050), (50, 517598), (53, 488300), (76, 340525), (95, 272420), (100, 258799), (106, 244150), (190, 136210), (212, 122075), (257, 100700), (265, 97660), (380, 68105), (475, 54484), (514, 50350), (530, 48830), (950, 27242), (1007, 25700), (1028, 25175), (1060, 24415), (1285, 20140), (1325, 19532), (1900, 13621), (2014, 12850), (2570, 10070), (2650, 9766), (4028, 6425), (4883, 5300), (5035, 5140)]